[INFO] fetching crate observability-kit 0.1.0...
[INFO] testing observability-kit-0.1.0 against nightly-2025-01-18+rustflags=-Zrandomize-layout for randomize-layout-3
[INFO] extracting crate observability-kit 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate observability-kit 0.1.0 on toolchain nightly-2025-01-18
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2025-01-18" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate observability-kit 0.1.0
[INFO] finished tweaking crates.io crate observability-kit 0.1.0
[INFO] tweaked toml for crates.io crate observability-kit 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2025-01-18" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 141 packages to latest compatible versions
[INFO] [stderr]       Adding opentelemetry v0.22.0 (available: v0.27.1)
[INFO] [stderr]       Adding opentelemetry-otlp v0.15.0 (available: v0.27.0)
[INFO] [stderr]       Adding opentelemetry-semantic-conventions v0.14.0 (available: v0.27.0)
[INFO] [stderr]       Adding opentelemetry_sdk v0.22.1 (available: v0.27.1)
[INFO] [stderr]       Adding tracing-opentelemetry v0.23.0 (available: v0.28.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2025-01-18" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c0c42ae88c43f1f6aa4b10e55af6512ba28d9fc0c5a7f3e56a63811d4ca6bca
[INFO] running `Command { std: "docker" "start" "-a" "9c0c42ae88c43f1f6aa4b10e55af6512ba28d9fc0c5a7f3e56a63811d4ca6bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c0c42ae88c43f1f6aa4b10e55af6512ba28d9fc0c5a7f3e56a63811d4ca6bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c0c42ae88c43f1f6aa4b10e55af6512ba28d9fc0c5a7f3e56a63811d4ca6bca", kill_on_drop: false }`
[INFO] [stdout] 9c0c42ae88c43f1f6aa4b10e55af6512ba28d9fc0c5a7f3e56a63811d4ca6bca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Zrandomize-layout" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80dc731046e43e547bc406f700e5c23306f6dfaea01657a1fb233ef66c4634b2
[INFO] running `Command { std: "docker" "start" "-a" "80dc731046e43e547bc406f700e5c23306f6dfaea01657a1fb233ef66c4634b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling bytes v1.9.0
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling rustversion v1.0.19
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling httparse v1.9.5
[INFO] [stderr]    Compiling tower-service v0.3.3
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]    Compiling try-lock v0.2.5
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling tower-layer v0.3.3
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling httpdate v1.0.3
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling urlencoding v2.1.3
[INFO] [stderr]    Compiling mime v0.3.17
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling indexmap v2.7.1
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling sync_wrapper v0.1.2
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling matchit v0.7.3
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling crossbeam-channel v0.5.14
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]    Compiling axum v0.6.20
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling base64 v0.21.7
[INFO] [stderr]    Compiling log v0.4.25
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling socket2 v0.5.8
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling opentelemetry-semantic-conventions v0.14.0
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling ordered-float v4.6.0
[INFO] [stderr]    Compiling tokio v1.43.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling tokio-util v0.7.13
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling tokio-io-timeout v1.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling async-trait v0.1.85
[INFO] [stderr]    Compiling pin-project-internal v1.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling prost-derive v0.12.6
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling async-stream v0.3.6
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling pin-project v1.1.8
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling prost v0.12.6
[INFO] [stderr]    Compiling opentelemetry v0.22.0
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling h2 v0.3.26
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling opentelemetry_sdk v0.22.1
[INFO] [stderr]    Compiling tracing-opentelemetry v0.23.0
[INFO] [stderr]    Compiling envy v0.4.2
[INFO] [stderr]    Compiling hyper v0.14.32
[INFO] [stderr]    Compiling hyper-timeout v0.4.1
[INFO] [stderr]    Compiling tonic v0.11.0
[INFO] [stderr]    Compiling opentelemetry-proto v0.5.0
[INFO] [stderr]    Compiling opentelemetry-otlp v0.15.0
[INFO] [stderr]    Compiling observability-kit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 47.87s
[INFO] running `Command { std: "docker" "inspect" "80dc731046e43e547bc406f700e5c23306f6dfaea01657a1fb233ef66c4634b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80dc731046e43e547bc406f700e5c23306f6dfaea01657a1fb233ef66c4634b2", kill_on_drop: false }`
[INFO] [stdout] 80dc731046e43e547bc406f700e5c23306f6dfaea01657a1fb233ef66c4634b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Zrandomize-layout" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ae2ae7e3bcaa991607866342e4d09843cd9c9b4f2cce96f67361cf11d515730
[INFO] running `Command { std: "docker" "start" "-a" "8ae2ae7e3bcaa991607866342e4d09843cd9c9b4f2cce96f67361cf11d515730", kill_on_drop: false }`
[INFO] [stderr]    Compiling observability-kit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "8ae2ae7e3bcaa991607866342e4d09843cd9c9b4f2cce96f67361cf11d515730", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ae2ae7e3bcaa991607866342e4d09843cd9c9b4f2cce96f67361cf11d515730", kill_on_drop: false }`
[INFO] [stdout] 8ae2ae7e3bcaa991607866342e4d09843cd9c9b4f2cce96f67361cf11d515730
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Zrandomize-layout" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 52b20161a7f02430faaf4492bd12f7c4a314059ebbb92b92eed1d8224525895c
[INFO] running `Command { std: "docker" "start" "-a" "52b20161a7f02430faaf4492bd12f7c4a314059ebbb92b92eed1d8224525895c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/observability_kit-5daec35de1a04b8e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests observability_kit
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "52b20161a7f02430faaf4492bd12f7c4a314059ebbb92b92eed1d8224525895c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52b20161a7f02430faaf4492bd12f7c4a314059ebbb92b92eed1d8224525895c", kill_on_drop: false }`
[INFO] [stdout] 52b20161a7f02430faaf4492bd12f7c4a314059ebbb92b92eed1d8224525895c